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Title: IC Controlled Emergency Light with Charger
Page Link: IC Controlled Emergency Light with Charger -
Posted By: seminar topics
Created at: Sunday 21st of March 2010 03:45:46 PM

By
R. RAINA
The circuit shown here is that of the IC controlled emergency light. Its main features are: automatic switching-on of the light on mains failure and battery charger with overcharge protection. When mains is absent, relay RL2 is in deenergised state, feeding battery supply to inverter section via its N/ C contacts and switch S1. The inverter section comprises IC2 (NE555) which is used in stable mode to produce sharp pulses at the rate of 50 Hz for driving the MOSFETs. The output of IC3 is fed to gate of MOSFET (T4) dire..............etc

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Title: PEDDLE CONTROLLED MOBILE CHARGER EMERGENCY LIGHT
Page Link: PEDDLE CONTROLLED MOBILE CHARGER EMERGENCY LIGHT -
Posted By: gawalisnehal
Created at: Friday 19th of March 2010 11:43:21 AM
PEDDLE CONTROLLED MOBILE CHARGER EMERGENCY LIGHT
..............etc

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Title: Battery Charger
Page Link: Battery Charger -
Posted By: chandu040
Created at: Thursday 11th of March 2010 07:35:02 PM
I need complete details of Battery charger because i need to do a project on it................etc

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Title: FRIENDLY CHARGER FOR MOBILE PHONES
Page Link: FRIENDLY CHARGER FOR MOBILE PHONES -
Posted By: electronics seminars
Created at: Sunday 13th of December 2009 08:02:57 PM
project friendly charger for mobile phones, friendly charger for mobile phones project, friendly chargers for mobiles phones project,
current/voltage regulation or short-circuit protection. These chargers provide raw 6-12V DC for charging the battery pack. Most of the mobile phone battery packs have a rating of 3.6V, 650 mAh. For increasing the life of the battery, slow charging at low current is advisable. Six to ten hours of charging at 150-200mA current is a suitable option. This will prevent heating up of the battery and extend its life. The circuit described here provides around 180mA current at 5.6V and protects the mobile phone from unexpected voltage fluctuations that..............etc

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Title: Fabrication of turbo super charger for two wheeler
Page Link: Fabrication of turbo super charger for two wheeler -
Posted By: Electrical Fan
Created at: Monday 26th of October 2009 06:17:48 PM
Fabrication of turbo super charger for two wheeler its purely manufacturing..............etc

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Title: PEDDLE CONTROLLED MOBILE CHARGER EMERGENCY LIGHT
Page Link: PEDDLE CONTROLLED MOBILE CHARGER EMERGENCY LIGHT -
Posted By: gawalisnehal
Created at: Monday 22nd of March 2010 02:42:10 AM
Please provide the information about the peddle contrholled mobile charger..............etc

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Title: PEDDLE CONTROLLED MOBILE CHARGER EMERGENCY LIGHT
Page Link: PEDDLE CONTROLLED MOBILE CHARGER EMERGENCY LIGHT -
Posted By: gawalisnehal
Created at: Monday 22nd of March 2010 01:14:10 AM


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Title: turbo charger
Page Link: turbo charger -
Posted By: rajkiran
Created at: Thursday 29th of October 2009 12:30:34 PM
sir im btech mechanical final year student ,
i want more information about fabrication of turbo charger
my email id is [email protected]

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Title: Fabrication of turbo super charger for two wheeler
Page Link: Fabrication of turbo super charger for two wheeler -
Posted By: sreeedhar
Created at: Wednesday 03rd of March 2010 09:39:15 PM
hello,
please send me the full report of the above mentioned title......................etc

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Title: battery charger
Page Link: battery charger -
Posted By: naribabub
Created at: Wednesday 31st of March 2010 12:20:37 PM
hi pls send me the topic..............etc

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